WordPress.org

In your post/page, describe short code tag '[galleria]'.

Usage: [galleria ]

<options> :  orderby, id, size : same as the original [gallery]
             columns="<number>"  number of thumbnail columns
             rows="<number>"     number of thumbnail rows    (vertical scroll mode)

             thumb_w="<number>"  thumbnail width [ pixels ]
             thumb_h="<number>"  thumbnail height[ pixels ]

             steps="<number>"    number of thumbnail steps (Prev/Next buttons)
                                 default value is same as the columns
             gid="<string>"      group tag name (use for  grouping)
             exif="<0/>1"        showes EXIF meta datas in 2nd caption line
             cssclass="<string>" style selector for user pre-defined CSS styles
                                 default class is "galleria_std"
             playbutton="<0/1>"  show automatic slideshow play button
                                 default is playbutton="0" 
             interval="<number>" display interval of slide show (seconds)
                                 default value is 8.0 [sec]
             thumbnail="<string>" position of thumbnail block 
                                   'top' 
                                   'bottom'
                                   'left' 
                                   'right'
                                   'top-scroll'
                                   'bottom-scroll'
                                   'left-scroll'
                                   'right-scroll'
                                   'none'  : hide thumbnails
             navigation="<string>" location of navigation items (prev/next, play buton)
                                   'top'  
                                   'bottom'
                                   'none' : hide navigation(prev/next) items
             index="<keyword>"   location of image index
                                  'top'   
                                  'bottom'
                                  'caption1'  inject to the first caption line
                                  'caption2'  inject to the second caption line
                                  'none'   hide index
            shrink="<0/1>"        "1" ( oversized image should be scaled )
            showimage="<yes/no>"  "yes"
                                  "no" : do not show image (thumbnail only)
            cropthumb="<yes/no>" thumbnail cropping
            dblclick="<source/post>"  behavior of double click operation on thumbnail
                                        default : "source"  open original full size image in new window
                                                  "post"    open WP's attachment post page in new window
                                                            (NextGEN cannot use "post" mode) 
                                                  "current" subordinate keyword  
                                        Examples : 
                                          "post-current" : open attachment post page in current window
                                          "current" : (same as "source-current")
                                                      open original full size image in current window

            background_style="<styles>" overrides default CSS styles (background)
            caption1_style="<styles>"   overrides default CSS styles (1st caption line)
            caption2_style="<styles>"   overrides default CSS styles (2nd caption line)
    stage_style="<styles>"      overrides default stage div CSS styles (main stage)
    thumbbox_style="<styles>"   overrides default stage div CSS styles (thumbnail box)

               thumbnail="left-scroll" or "right-scroll :
         stage_style="width : 75%;"  thumbbox_style="width: 24%;"

            [ Example ]

    1.  background_style="width: 640px; background-color: #666" 
                    thumbbox_style="width: 512px" 
                    stage_style="width : 512px; background-color: black"                  

                        gallery background color : #666
                        thumnail block width     : 512px 
                        main stage width         : 512px, background color : black

    2.  caption1_style="font-size: 1.2em; font: helvetica; color: #678" 

           [ Notes ]

              Default thumbnail size is depend on following CSS properties. 

              ( Galleria WP V1.2.3 : No need to change CSS settings, you can change thumbnail size 
                via admin menu. )

              CSS file : "galleria_wp.css" ( near line #173 - #195 )

    /* default thumbnail size */
    #galleria_wp  .galleria_std  
    div ul li {
        display: block;
        float: left;
        margin: 0;
        overflow: hidden;
        width:  75px;             <=== change here (width)
        height: 75px;             <===             (height)
        border:  2px solid #bbb;
    }

    /* default thumbnail size (NextGEN Gallery album's thumbnail)*/
    #galleria_wp  .galleria_std  
        div ul li.ngg_album {
        display: block;
        float: left;
        margin: 0;
        overflow: hidden;
        width: 120px;             <=== change here (width)
        height: 90px;             <===             (height)
        border:  2px solid #bbb;
    }